What Moto apps can I disable on my Moto G without compromising the phone’s usability? The OS is 4.4.4; is that OK?

It is safe you can disable or uninstall any of the 3rd party apps and other apps except the apps listed below,

  • Android System
  • Bluetooth Share
  • Certificate Installer
  • com.android.backupconfirm
  • com.android.browser.provider
  • com.android.sharedstoragebac
  • com.motorola.authentication
  • com.motorola.bug2go
  • com.motorola.emaraphoneextn
  • com.motorola.motgeofencesvc
  • com.qualcomm.atfwd
  • com.qualcomm.qualcommsettings
  • com.qualcomm.timeservice
  • Contacts
  • Demo mode
  • DiagMdlog Settings
  • DMService
  • Emergency Alerts
  • FMRadioService
  • Fused Location
  • Google Backup Transport
  • Input devices
  • Key Chain
  • Launcher
  • Live wallpaper picker
  • LocationServices (120kb)
  • LocationServices (8kb)
  • ModemStatsService
  • MotoCare
  • MotoCareInt
  • Motorola Assist framework
  • Motorola Notification
  • Motorola Services
  • Motorola Services Main
  • MotorolaOTA
  • NativeDropBoxAgent
  • org.codeaurora.bluetooth
  • Package Access Helper
  • Package Installer
  • PGM System
  • Phone
  • Phone/messaging storage
  • Programming Menu
  • Rescue Add-on: Motorola
  • Settings
  • Settings Storage (152kb)
  • Settings storage (244kb)
  • Setup
  • Shell
  • SIM toolkit
  • System UI
  • Trusted Devices
  • VpnDialogs